[GRASSLIST:5490] Re: PONET- where from?!
Hamish
hamish_nospam at yahoo.com
Sun Jan 23 18:00:40 EST 2005
> I've been using a raster layer as a mask and now want to expand my
> study area. My problem however is that I can not remember where I got
> the data for the mask!
>
> The data is land areas, with coastlines matching those of the
> Political Ocean Network data (the is even a matching anomaly where
> the Saudi/Yemen border is unclear). But rather than being vector
> lines, this coverage is raster areas, with water as a nul value.
>
> Can anybody suggest where I can download this data? Alternatively I
> can presumably produce such a raster from the vectors, but how?
Use the v.to.rast module. Note the conversion of labeled areas can be
subtle.
also have a look to see if there are any meta-data notes on the raster
MASK that might give you some clues: 'r.info MASK'
Hamish
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